package com.example.utils;

import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.UUID;

@Component
@Data
@ConfigurationProperties(prefix = "aliyun.oss")
public class AliOSSUtils {

   private String endpoint;

   private String accessKeyId;

   private String accessKeySecret;

   private String bucketName;
   /**
    * 实现上传图片到OSS
    */
   public String upload(MultipartFile file) throws IOException {
      // 获取上传的文件的输入流
      InputStream inputStream = file.getInputStream();

      // 避免文件覆盖
      String originalFilename = file.getOriginalFilename();
      String fileName = UUID.randomUUID().toString() + originalFilename.substring(originalFilename.lastIndexOf("."));

      //上传文件到 OSS
      OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
      ossClient.putObject(bucketName, fileName, inputStream);

      //文件访问路径
      String url = endpoint.split("//")[0] + "//" + bucketName + "." + endpoint.split("//")[1] + "/" + fileName;
      // 关闭ossClient
      ossClient.shutdown();
      return url;// 把上传到oss的路径返回
   }

}
